Finding the Fourth Proportional to 2,014.11, 2,780.76 and 1,641.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.11 : 2,780.76 = 1,641.98 : x
2. Step 2: Convert to fraction form
   2,014.11/2,780.76 = 1,641.98/x
3. Step 3: Cross multiply
   2,014.11x = 2,780.76 × 1,641.98
4. Step 4: Simplify right side
   2,014.11x = 4,565,965.41
5. Step 5: Solve for x
   x = 4,565,965.41/2,014.11
6. Step 6: Final answer
   x = 2,266.99